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#!/usr/bin/env python
############################################################################
#
# Copyright (C) 2004-2005 Trolltech AS. All rights reserved.
#
# This file is part of the example classes of the Qt Toolkit.
#
# This file may be used under the terms of the GNU General Public
# License version 2.0 as published by the Free Software Foundation
# and appearing in the file LICENSE.GPL included in the packaging of
# self file. Please review the following information to ensure GNU
# General Public Licensing requirements will be met:
# http://www.trolltech.com/products/qt/opensource.html
#
# If you are unsure which license is appropriate for your use, please
# review the following information:
# http://www.trolltech.com/products/qt/licensing.html or contact the
# sales department at sales@trolltech.com.
#
# This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
# WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
#
############################################################################
import sys
from PyQt4 import QtCore, QtGui, QtNetwork
class Sender(QtGui.QDialog):
def __init__(self, parent=None):
QtGui.QDialog.__init__(self, parent)
self.statusLabel = QtGui.QLabel(self.tr("Ready to broadcast datagramms on port 45454"))
self.startButton = QtGui.QPushButton(self.tr("&Start"))
self.quitButton = QtGui.QPushButton(self.tr("&Quit"))
self.timer = QtCore.QTimer(self)
self.udpSocket = QtNetwork.QUdpSocket(self)
self.messageNo = 1
self.connect(self.startButton, QtCore.SIGNAL("clicked()"),
self.startBroadcasting)
self.connect(self.quitButton, QtCore.SIGNAL("clicked()"),
self, QtCore.SLOT("close()"))
self.connect(self.timer, QtCore.SIGNAL("timeout()"),
self.broadcastDatagramm)
buttonLayout = QtGui.QHBoxLayout()
buttonLayout.addStretch(1)
buttonLayout.addWidget(self.startButton)
buttonLayout.addWidget(self.quitButton)
mainLayout = QtGui.QVBoxLayout()
mainLayout.addWidget(self.statusLabel)
mainLayout.addLayout(buttonLayout)
self.setLayout(mainLayout)
self.setWindowTitle(self.tr("Broadcast Sender"))
def startBroadcasting(self):
self.startButton.setEnabled(False)
self.timer.start(1000)
def broadcastDatagramm(self):
self.statusLabel.setText(self.tr("Now broadcasting datagram %1").arg(self.messageNo))
datagram = "Broadcast message %d" % self.messageNo
self.udpSocket.writeDatagram(datagram, QtNetwork.QHostAddress(QtNetwork.QHostAddress.Broadcast), 45454)
self.messageNo += 1
if __name__ == "__main__":
app = QtGui.QApplication(sys.argv)
sender = Sender()
sender.show()
sys.exit(sender.exec_())
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